libmy.so:mystdio.o mystring.o
		gcc -shared -o $@ $^
mystdio.o:mystdio.c
		gcc -fPIC -c $<
mystring.o:mystring.c
		gcc -fPIC -c $<

.PHONY:output
output:
		mkdir -p lib/include
		mkdir -p lib/mylib
		cp -f *.h lib/include
		cp -f *.so lib/mylib 
		tar czf lib.tgz lib 

.PHONY:clean
clean:
		rm -rf *.o libmy.so lib.tgz lib
	
